The route from Canal Plan:
Total distance is 212 miles, 5¼ flg and 153 locks. There are at least 30 moveable bridges of which 20 are usually left open; 8 small aqueducts or underbridges and 4 tunnels.
Made up of 71 miles, 1 furlong of narrow canals; 42 miles, 4 furlongs of broad canals; 0 miles, ¾ furlongs of small rivers; 93 miles, 6½ furlongs of large rivers; 5 miles, ¾ furlongs of tidal rivers; 61 narrow locks; 58 broad locks; 33 large locks.
This will take 100 hours, 21 minutes which is 11 days, 1 hour and 21 minutes at 9 hours per day.
For calculation purposes, this is taken as 11
Undoubtedly, with stopping, and general ameteurishness, it will take us far longer, but thats kind of the point!
Part II will be back up the Grand Union, to Northampton, Peterborough and finally Cambridge. More details to follow!